Mini screwdrivers are small in size and light in weight, enough to operate in narrow places where traditional screwdrivers may be too long to be suitable. Especially in awkward places, such as U-shaped corners, side surfaces, and other tight spaces. The safe grip magnet ensures that your drill bit not fall.The magnetic adapter ensures that any 1/4inch hex bit can be firmly fixed for higher torque., Weight: 0.8377565956 Pounds, Manufacturer: Aisuoka